|What Are Minerals?
Minerals are the building blocks of our society. We use items made with them every day.
Mineral Identification Chart Printable mineral ID chart by Art Crossman in MS Excel format.
Fluorescent Minerals glow with spectacular colors under ultraviolet light.
Quartz is the most abundant mineral in the crust. It has many useful properties.
|Diamond: The Mineral
Diamond is a mineral with unique properties and many gem and industrial uses!
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.
||Rare Earth Elements
Rare Earth Elements are used in cell phones, DVDs, batteries, magnets & many other products.
Find Minerals and Gems Dozens of sites where you can dig and keep what you find.
||The Acid Test
The Acid Test Geologists use dilute hydrochloric acid to identify carbonate minerals.
United States Gemstones Small mines in the U.S. produce a diversity of gemstones.
||Diamonds from Coal?
Diamonds Do Not Form From Coal That is one of the biggest misconceptions in science.
Topaz is a mineral best known as a durable gemstone and its use in Mohs Hardness Scale.
Calcite is a carbonate mineral with industrial, agricultural, medical and many other uses.
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
||Is Water a Mineral?
Are Water and Ice Minerals? Comparing their properties with the definition of a mineral.
|Uses of Gold
Gold has unique properties that make it one of the most useful minerals.
||Tucson Mineral Show
Tucson Gem & Mineral Show Photos from the largest gem and mineral show.
Limonite - an amorphous iron oxide. Used as an ore of iron and as a pigment since prehistory.
Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
Benitoite Discovery and geology of the State Gem of California - USGS report from 1911.
Rhodochrosite : a manganese mineral used as an ore, a pink gem and an ornamental stone.
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
||Denver Mineral Show
Denver Gem and Mineral Show Photos and comments about this incredible annual show.
|Uses of Silver
Uses of Silver Most people think of jewelry and coins, but silver\'s primary use is industrial.
Olivine Rain Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68.
Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone.
Hematite - the most important ore of iron and a source of mineral pigment since prehistory.
Minerals in Colored Glass - Minerals are what produce the color in colored glass.
Abandoned Mine Accidents kill 20 to 30 per year. Education can prevent many of them.
Kyanite a metamorphic mineral that most often forms from clay-rich sedimentary rocks.
Spodumene is a pegmatite mineral, an ore of lithium and sometimes a gemstone.
How Do Snowflakes Form? They start as tiny crystals. Some grow on the way down.
||Fireworks & Minerals
The Science of Fireworks Their shapes and colors are produced through chemistry, physics & art.
Triboluminescence is flash produced when a mineral is rubbed, scratched or broken.